am 847223de: Merge "__set_errno: Hide internal symbol __set_syscall_errno"

Merge commit '847223de9ceff6db468a8246792542517a12d39f' into gingerbread-plus-aosp

* commit '847223de9ceff6db468a8246792542517a12d39f':
  __set_errno: Hide internal symbol __set_syscall_errno